28501020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{829}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 87010560

約数和(自身を除く): 58509540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 829, 955, 1146, 1658, 1719, 1910, 2292, 2487, 2865, 3316, 3438, 3820, 4145, 4974, 5730, 6876, 7461, 8290, 8595, 9948, 11460, 12435, 14922, 16580, 17190, 24870, 29844, 34380, 37305, 49740, 74610, 149220, 158339, 316678, 475017, 633356, 791695, 950034, 1425051, 1583390, 1900068, 2375085, 2850102, 3166780, 4750170, 5700204, 7125255, 9500340, 14250510, 28501020]

約数ペア:

[(1, 28501020), (2, 14250510), (3, 9500340), (4, 7125255), (5, 5700204), (6, 4750170), (9, 3166780), (10, 2850102), (12, 2375085), (15, 1900068), (18, 1583390), (20, 1425051), (30, 950034), (36, 791695), (45, 633356), (60, 475017), (90, 316678), (180, 158339), (191, 149220), (382, 74610), (573, 49740), (764, 37305), (829, 34380), (955, 29844), (1146, 24870), (1658, 17190), (1719, 16580), (1910, 14922), (2292, 12435), (2487, 11460), (2865, 9948), (3316, 8595), (3438, 8290), (3820, 7461), (4145, 6876), (4974, 5730)]